1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x171d9b62157e483ecea63bff1462e4ee0e61737e2c35f1064b8e19c12e47f2ed. Chain 2 (Bitcoin): anchored in block 953758 (2026-06-15T07:48:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b2d1fe5d-9526-4d5b-8a0f-96d261f0753b.json and https://artists.proofprofile.net/proofs/artist/b2d1fe5d-9526-4d5b-8a0f-96d261f0753b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5520e154e6c1039b85e80558a252f5603b3a264c8a5066bf98c29e0c84c762df. Chain 2 (Bitcoin): anchored in block 958734 (2026-07-19T15:50:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA381700357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3f2aac298d144cfad1ae10e8c80f3cb5891f834990310998e3deb8fd18fd758. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T20:03:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA381701159.
Never give up, Pt. 3 (Original Soundtrack)
Watcha Original <Inside Lyrics> `Individualism`
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c9ca7e3e62448e21de1c66934cfae3973db12801d6699e5ca4db3bf8612b039. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRB472300878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48b35ff723716c5f9c47cdb49cf2849970a5fc7473ac51f3d57b50ebfd4c1a31. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T11:01:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRB472301725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5b000e65ee6cf0337bc597cf3ba48bb2dce19581df2d734fb020e573aa9219a. Chain 2 (Bitcoin): anchored in block 958726 (2026-07-19T11:47:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRB472302589.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe368692b54b8543139a364c0119b421b0208c855a772b605e52bb8b4c0595c7a. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRMIM2417490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b7756e71979d5361ccdbd2118dc521ab6c053de5f0148b7c7b528ed2b751e68. Chain 2 (Bitcoin): anchored in block 958504 (2026-07-18T05:41:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRMIM2425039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c7d2006300186f545c8c58f17b2b12ff2bc3bfd48ae8b8effbe82b8868314a8. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRMIM2453888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c9ca7e3e62448e21de1c66934cfae3973db12801d6699e5ca4db3bf8612b039. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRB472300878.